

print("魏老师的年龄是：", 20)
print(1, 2, 3, 4)
print(1, 2, 3, 4, sep=" ", end="\n")  # 等同于上面一行
print(1, 2, 3, 4, sep="###", end="\n\n\n")
print(1, 2, 3, 4, sep="")
